1042128 has 30 divisors (see below), whose sum is σ = 2916914. Its totient is φ = 347328.

The previous prime is 1042123. The next prime is 1042133. The reversal of 1042128 is 8212401.

It is an interprime number because it is at equal distance from previous prime (1042123) and next prime (1042133).

It can be written as a sum of positive squares in only one way, i.e., 944784 + 97344 = 972^2 + 312^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1042128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3475 + ... + 3762.

2^1042128 is an apocalyptic number.

1042128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1042128 is an abundant number, since it is smaller than the sum of its proper divisors (1874786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042128 is a wasteful number, since it uses less digits than its factorization.

1042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1042128 is about 1020.8467073954. The cubic root of 1042128 is about 101.3849959710.

Adding to 1042128 its reverse (8212401), we get a palindrome (9254529).

The spelling of 1042128 in words is "one million, forty-two thousand, one hundred twenty-eight".